159223741 has 2 divisors, whose sum is σ = 159223742. Its totient is φ = 159223740.

The previous prime is 159223703. The next prime is 159223763. The reversal of 159223741 is 147322951.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104980516 + 54243225 = 10246^2 + 7365^2 .

It is an emirp because it is prime and its reverse (147322951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159223741 - 2⁷ = 159223613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159223697 and 159223706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159203741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79611870 + 79611871.

It is an arithmetic number, because the mean of its divisors is an integer number (79611871).

Almost surely, 2^159223741 is an apocalyptic number.

It is an amenable number.

159223741 is a deficient number, since it is larger than the sum of its proper divisors (1).

159223741 is an equidigital number, since it uses as much as digits as its factorization.

159223741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 159223741 is about 12618.3890017704. The cubic root of 159223741 is about 542.0041450190.

The spelling of 159223741 in words is "one hundred fifty-nine million, two hundred twenty-three thousand, seven hundred forty-one".